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Zirconium Carbide Mediates Coke-Resistant Methane Dry Reforming on Nickel-Zirconium Catalysts
Angewandte Chemie International Edition ( IF 16.6 ) Pub Date : 2022-11-15 , DOI: 10.1002/anie.202213249
Leander Haug 1 , Christoph Thurner 1 , Maged F Bekheet 2 , Benjamin Bischoff 2 , Aleksander Gurlo 2 , Martin Kunz 3 , Bernhard Sartory 4 , Simon Penner 1 , Bernhard Klötzer 1
Affiliation  

Zr-Carbide promoted Methane Dry Reforming on NixZry: Graphitic deposits anti-segregate into Ni0 nanoparticles to provide restored CH4 adsorption sites and near-surface/dissolved C atoms, which migrate toward the Ni0/ZrO2 interface and induce local ZrxCy formation. The resulting oxygen-deficient carbidic phase boundary sites assist in kinetically enhanced CO2 activation toward CO(g).

中文翻译:

碳化锆介导镍-锆催化剂上的抗结焦甲烷干重整

Zr-Carbide 促进甲烷在 Ni x Zr y上的干法重整:石墨沉积物反偏析成 Ni 0纳米颗粒,以提供恢复的 CH 4吸附位点和近表面/溶解的 C 原子,这些原子向 Ni 0 /ZrO 2界面迁移并诱导局部 Zr x C y形成。由此产生的缺氧碳化物相边界位点有助于在动力学上增强 CO 2对 CO(g) 的活化。
更新日期:2022-11-15
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